Each compartment is insulated on all four sides and bottom with 1" (25mm) thick fiberglass or equal.

Each compartment is fitted with a 500-watt or 750-watt tubular element above the insulated bottom. 500-watt element is standard on units wired for 120 volts; 750-watt element is standard for units wired for 208 / 240 volts.

A six-foot (1829mm) cord with plug extends from the bottom of the right hand control side as standard equipment.